414  
WHUS52 KCHS 102148  
SMWCHS  
AMZ352-354-102345-  
/O.NEW.KCHS.MA.W.0111.250710T2148Z-250710T2345Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SPECIAL MARINE WARNING  
NATIONAL WEATHER SERVICE CHARLESTON SC  
548 PM EDT THU JUL 10 2025  
 
THE NATIONAL WEATHER SERVICE IN CHARLESTON HAS ISSUED A  
 
* SPECIAL MARINE WARNING FOR...  
WATERS FROM EDISTO BEACH SC TO SAVANNAH GA OUT 20 NM...  
WATERS FROM SAVANNAH GA TO ALTAMAHA SOUND GA OUT 20 NM, INCLUDING  
GRAYS REEF NATIONAL MARINE SANCTUARY...  
 
* UNTIL 745 PM EDT.  
 
* AT 548 PM EDT, STRONG THUNDERSTORMS WERE LOCATED ALONG A LINE FROM  
NEAR CALIBOGUE SOUND TO 16 NM NORTHWEST OF SAINT CATHERINES SOUND,  
MOVING SOUTHEAST AT 10 KNOTS.  
 
HAZARD...WIND GUSTS TO 34 KNOTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS  
AND SUDDENLY HIGHER WAVES.  
 
* LOCATIONS IMPACTED INCLUDE...  
D U A BUOY, SEA BUOY OS, SEA BUOY 2W, 110 DEGREE OLYMPIC BUOY,  
SAILBOAT JUPITER, MOTHERLODE BARGE, BUOY K C, C A T BUOY, TUG RIO  
APON, BUOY TENDER SAGEBRUSH, FERRY BOAT JANET, TUG ELMIRA, BUOY J,  
C C A BUOY AND WASSAW SOUND BUOY.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
MOVE TO SAFE HARBOR UNTIL HAZARDOUS WEATHER PASSES.  
 
FREQUENT LIGHTNING IS OCCURRING WITH THESE STORMS. IF CAUGHT ON THE  
OPEN WATER STAY BELOW DECK IF POSSIBLE, KEEP AWAY FROM UNGROUNDED  
METAL OBJECTS.  
 

 
 
LAT...LON 3138 8146 3144 8138 3144 8127 3161 8117  
3174 8115 3198 8090 3208 8094 3215 8084  
3216 8076 3227 8068 3208 8021 3202 8028  
3194 8047 3172 8064 3161 8078 3124 8094  
3128 8134 3130 8136 3128 8138 3133 8145  
TIME...MOT...LOC 2148Z 328DEG 12KT 3212 8093 3197 8112 3189 8136  
 
MAX HAIL SIZE...0.00 IN  
MAX WIND GUST...34 KTS  
 

 
 
NED  
 
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